Bump actions/checkout from 4 to 5

.github/workflows/build-and-test.yaml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone project
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Haskell with Stack
         uses: haskell-actions/setup@v2
@@ -46,7 +46,7 @@ jobs:
 
     steps:
       - name: Clone project
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Haskell with Stack
         uses: haskell-actions/setup@v2

.github/workflows/fourmolu.yaml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone project
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Run fourmolu
         uses: haskell-actions/run-fourmolu@v11

.github/workflows/hlint.yaml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone project
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up HLint
         uses: haskell-actions/hlint-setup@v2

.github/workflows/pre-commit.yaml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone project
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install pre-commit
         run: |